The Bulls are rated 5/4 second favourites for the drop according to the first bookie to issue relegation odds.
Coral are rating only Cheltenham as more certain for relegation, with the opening day fixture at Leyton Orient deemed a relegation 'six-pointer' with the O's fourth on the list behind Crewe.
At the other end of the table, the Bulls are 20/1 for promotion with Leeds rated at Evens unsurprisingly heading the list. On the standard win market there has been little change, with the Bulls still available at 66/1.